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2 years ago

Find the missing angle (?) and show your work.

Mathematics

1 answer:

castortr0y [4]2 years ago

3 0

Answer:

Step-by-step explanation:

1. the rule: m∠EFG *2=m~EFG (the missing angle)

2. according to the rule above the required missing angle is:

m~EFG=2*118°=236°.

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A new sidewalk will be 5 feet wide, 100 feet long, and filled to a depth of 3 inches (0.25 foot) with concrete. How many cub

GarryVolchara [31]

Answer:

4.63 cubic yard.

Step-by-step explanation:

Given,

The length of sidewalk, l = 100 feet,

Width, w = 5 feet,

Depth, h = 3 inches = 0.25 feet,

Thus, the volume of the concrete needed for making the sidewalk,

$V=l\times w\times h$

$=100\times 5\times 0.25$

= 125 cubic feet,

∵ 1 cubic yard = 27 cubic feet,

⇒ 1 cubic feet = $\frac{1}{27}$ cubic yard,

Thus, the quantity of concrete needed = $\frac{125}{27}$ ≈ 4.63 cubic yard.

4 0

3 years ago

Solve for x: x-3/4=x/10

Olin [163]

Answer:

fractions form- x= 5/6

decimal form- x=0.83

Step-by-step explanation:

5 0

3 years ago

Need help ASAP! What is this

ikadub [295]

180 - 64= 116

116 divided by 4 = 29

x=29

Have a good day:>

8 0

3 years ago

Read 2 more answers

Find the area of the figure

boyakko [2]

Answer:

800

Step-by-step explanation:

4 0

3 years ago

What is the equation of a line that passes through the point (1, 8) and is perpendicular to the line whose equation is y=x/2+3 ?

Svet_ta [14]

<u>Answer</u>

y = -2x + 10

<u>Explanation</u>

The general equation for a straight line is y = mx + c where m and c are gradient and y-intercept respectively.

y=x/2+3 = y (1/2)x + 3

gradient = 1/2

Gradient of the line perpendicular to y=x/2+3 is;

m × 1/2 = -1

m = -2

Now we find the equation of a line passing through (1,8) and have a gradient of -2.

-2 = (y - 8)/(x - 1)

-2(x - 1) = (y - 8)

2 -2x = y - 8

y = -2x + 10

3 0

3 years ago